German submarine U-463 was a Type XIV supply and replenishment U-boat ("Milchkuh") of the of the Nazi German Kriegsmarine during World War II. Her keel was laid down on 8 March 1941 by Deutsche Werke of Kiel. She was launched on 20 December 1941 and commissioned on 2 April 1942 with Korvettenkapitän Leo Wolfbauer in command. Wolfbauer remained in charge for the boat's entire career.